1 /* GtkDragSourceContextPeer.java --
2 Copyright (C) 2006 Free Software Foundation, Inc.
4 This file is part of GNU Classpath.
6 GNU Classpath is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
11 GNU Classpath is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with GNU Classpath; see the file COPYING. If not, write to the
18 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
21 Linking this library statically or dynamically with other modules is
22 making a combined work based on this library. Thus, the terms and
23 conditions of the GNU General Public License cover the whole
26 As a special exception, the copyright holders of this library give you
27 permission to link this library with independent modules to produce an
28 executable, regardless of the license terms of these independent
29 modules, and to copy and distribute the resulting executable under
30 terms of your choice, provided that you also meet, for each linked
31 independent module, the terms and conditions of the license of that
32 module. An independent module is a module which is not derived from
33 or based on this library. If you modify this library, you may extend
34 this exception to your version of the library, but you are not
35 obligated to do so. If you do not wish to do so, delete this
36 exception statement from your version. */
39 package gnu.java.awt.dnd.peer.gtk;
41 import gnu.java.awt.peer.gtk.GtkGenericPeer;
43 import java.awt.Component;
44 import java.awt.Cursor;
45 import java.awt.Image;
46 import java.awt.Point;
47 import java.awt.dnd.DragGestureEvent;
48 import java.awt.dnd.DragSourceContext;
49 import java.awt.dnd.DragSourceDragEvent;
50 import java.awt.dnd.DragSourceDropEvent;
51 import java.awt.dnd.DragSourceEvent;
52 import java.awt.dnd.InvalidDnDOperationException;
53 import java.awt.dnd.peer.DragSourceContextPeer;
54 import java.awt.peer.ComponentPeer;
55 import java.awt.peer.LightweightPeer;
57 public class GtkDragSourceContextPeer
58 extends GtkGenericPeer
59 implements DragSourceContextPeer
61 private ComponentPeer peer;
62 private Cursor cursor;
63 private DragSourceContext context;
64 public static Component target;
66 native void nativeStartDrag(Image i, int x, int y, int action, String target);
67 native void connectSignals(ComponentPeer comp);
68 native void create(ComponentPeer comp);
69 native void nativeSetCursor(int cursor);
70 native void setTarget(GtkDropTargetContextPeer target);
72 public GtkDragSourceContextPeer(DragGestureEvent e)
74 super(e.getComponent());
75 Component comp = e.getComponent();
76 peer = getComponentPeer(comp);
80 cursor = comp.getCursor();
82 // FIXME: Where do we set the target?
85 setTarget(new GtkDropTargetContextPeer(target));
88 ComponentPeer getComponentPeer(Component c)
94 while (curr.getPeer() instanceof LightweightPeer)
95 curr = curr.getParent();
98 return curr.getPeer();
102 public void startDrag(DragSourceContext context, Cursor c, Image i, Point p)
103 throws InvalidDnDOperationException
105 this.context = context;
110 // FIXME: use proper DataFlavor, not "text/plain".
111 // Also, add check to determine if dragging.
114 nativeStartDrag(i, p.x, p.y, context.getTrigger().getDragAction(),
118 public Cursor getCursor()
123 public void setCursor(Cursor c) throws InvalidDnDOperationException
127 nativeSetCursor(c.getType());
132 public void transferablesFlavorsChanged()
134 // Nothing to do here.
138 * Called from native code.
141 public void dragEnter(int action, int modifiers)
143 context.dragEnter(new DragSourceDragEvent(context, action,
145 & context.getSourceActions(),
149 public void dragExit(int action, int x, int y)
151 context.dragExit(new DragSourceEvent(context, x, y));
154 public void dragDropEnd(int action, boolean success, int x, int y)
156 context.dragDropEnd(new DragSourceDropEvent(context, action, success, x, y));
159 public void dragMouseMoved(int action, int modifiers)
161 context.dragMouseMoved(new DragSourceDragEvent(context,
164 & context.getSourceActions(),
168 public void dragOver(int action, int modifiers)
170 context.dragOver(new DragSourceDragEvent(context, action,
172 & context.getSourceActions(),
176 public void dragActionChanged(int newAction, int modifiers)
178 context.dropActionChanged(new DragSourceDragEvent(context,
181 & context.getSourceActions(),